Observed Signal · Jul 12, 2026 · Migration · Source: DEV Community · Impact: 2/5 · Sentiment: Neutral
Stripe to Mollie Migration: What Breaks
A developer recounts migrating their SaaS billing from Stripe to Mollie after Stripe disabled their account. The author found one-off payments straightforward but spent two weeks rebuilding subscription infrastructure because Mollie is a thin EU payment provider rather than a full billing platform. Key gaps included no native subscription object (subscriptions must be assembled from Customer + Mandate + first payment), webhooks that only provide an id requiring reconcile-by-id patterns, and the absence of proration, dunning/retries, hosted customer portal, tax computation, and invoice generation. Card mandates cannot be transferred between providers, so existing subscribers must re-subscribe. The post is a practical case study on operational work required when leaving a feature-rich PSP.
Practical case study showing operational gaps when moving from a full-featured billing platform (Stripe) to a thin EU payment provider (Mollie); important for SaaS and commerce teams planning migrations but not industry-shifting.
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Key Takeaways & Evidence Grounding
- Stripe disabled payments for the author's service htpbe.tech and refunded recent payments to customers.
- The author migrated to Mollie because it is EU-based and allows the merchant to remain seller of record.
- Mollie provides a thin payment layer: no price catalogue, no automatic VAT, no invoices, no hosted customer portal, no proration, and no dunning/retry logic.
- Mollie webhooks post only an id (no event type, no payload, no signature); integration requires re-reading the resource (reconcile-by-id).
- Card mandates and recurring payment authorizations cannot be transferred between providers; existing subscribers must re-authorize and re-subscribe.
Connected Companies & Entities
4 Entities mapped“One morning I woke up to this email from Stripe: "We recently identified payments on your Stripe account for htpbe.tech that don't appear to...”
“Paddle / Lemon Squeezy (Merchant of Record). Good products. The MoR takes the VAT burden and the fraud risk off your plate entirely — they b...”
“Chargebee / Recurly. Real billing engines that sit _on top_ of a payment processor....”
“Chargebee / Recurly. Real billing engines that sit _on top_ of a payment processor....”
Ontology Mapping & Concepts
Related Market Signals & Shifts
Recent verified developments and strategic activity across this market segment.
Architecting Reliable SaaS Billing with Stripe
This technical how-to explains building a production-grade SaaS billing system with Stripe. It argues against synchronous webhook handling and recommends an asynchronous architecture using a message queue and worker processes to handle out-of-order and retried webhooks. The article details idempotent webhook reception using Redis keys (with a 24-hour TTL), idempotent usage reporting via Stripe Billing Meter events with deterministic identifiers, and safe subscription upgrades using proration settings (including billing_cycle_anchor: 'unchanged'). It also covers handling failed payments by respecting Stripe's past_due status and Smart Retries, performance best practices (indexing, avoiding N+1 queries), and operational safeguards like dead-letter queues.
Why PayPal, Stripe, Gumroad Fail Outside the US
A developer recounts building software for undocumented or under‑banked customers outside the US and explains why common platforms (PayPal, Stripe, Gumroad) did not meet those customers' needs. Key problems included Stripe's local business/tax verification and the prevalence of non-card payment methods (mobile money, local bank transfers, cryptocurrencies) in some regions. The author replaced card-centric processing with BitPay, enabling crypto payments and smoother integrations (Shopify, WooCommerce). After switching, the site reported a 15% increase in payment completion rates and a 25% reduction in failed transactions. The piece concludes with lessons learned: research local payment habits, talk to customers, and design architecture to support alternative payment rails.
Multi‑Tenant SaaS Auth and Billing with Supabase & Stripe
A developer walkthrough explains how they built a multi-tenant SaaS (Rebill) that combines Supabase authentication and Row Level Security (RLS) with Stripe Checkout and Stripe Connect to separate platform billing from tenant billing. Key architectural choices include bootstrapping tenant rows in Postgres via an auth trigger, pushing tenant isolation into RLS policies for client-side queries, keeping a distinct platform checkout/webhook flow for the app’s subscriptions, onboarding tenant Stripe accounts via Stripe Connect and Account Links, and consuming connected-account events through a dedicated Connect webhook that maps events back to tenant rows. The post also describes operational pitfalls (idempotency of side effects, partial multi-account support, service-role boundary risks, and Stripe field misreads) and recommended hardening steps for production readiness.
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